seismic velocities increase abruptly in the upper mantle?
What makes the
Olivine to change into other minerals in the deep subsurface?
What do you think the
objective of this paper?
In this paper,
author used Pds. What is it?
What the authors used
to study the discontinuities near the Tonga subduction zone?
the objective of this study?
What are the authors
observations of the seismic discontinuities within the region of the Tonga slab